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306 Cards in this Set
- Front
- Back
Review questions chapter 1
1. Which is faster, a Hi - Speed USB port or a SuperSpeed USB port? |
SuperSpeed USB is faster than Hi - Speed USB |
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2. What type of output does a S/PDIF port provide |
High quality sound to an audio s ystem |
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3. List five types of video ports. |
VGA, S - Video, DVI, HDMI, DisplayPort video ports |
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4. What is the purpose of an expansion slot on a motherboard? |
An expansion slot on a motherboard is used for an expansion card, which provides a port or other function that is not provided by the motherboard |
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5. What should be the setting for a dual - voltage selector switch on a power supply when using the computer in the United States? |
Set the switch to 115 volts |
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6. What unit of measure is used to describe the amount of work a s urge suppressor can do before it stops protecting the circuit from an electrical surge? |
Joule |
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7. Hot wires in home wiring are normally colored ____ and ground wires in computers are normally colored _____. |
Black, black |
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8. What is the difference between a transfo rmer and a rectifier? Which are found in a PC power supply? |
A rectifier is a device that converts alternating current to direct current. A transformer is a device that changes the ratio of current to voltage. A computer power supply functions as both. |
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9. What device can you use to make sure a computer is protected against power surges? |
A surge suppressor |
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10. A power supply receives 120 volts of ___ power from a wall outlet and converts it to 3.3, 5, and 12 volts of ____ power. |
AC, DC |
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11. Why is a power supply dangero us even after the power is disconnected |
Capacitors inside a PC power supply create the even flow of current needed by the PC. Capacitors maintain their charge long after current is no longer present, which is why the inside of a power supply can be danger ous even when power is disconnected |
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12. Which two tools can a PC support technician use when taking apart a computer to best protect computer components against ESD? |
Ground bracelet and antistatic gloves |
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13. What is the purpose of a POST diagnostic card? |
To report errors at POST |
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14. What are the three purposes accomplished by the motherboard BIOS? |
System BIOS manages essential devices, startup BIOS starts the computer, and BIOS setup is |
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15. How is the best way to determine if a cable inside a computer is a data and instruction |
Follow the cable from its source to its destination |
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16. What technology standard provides for up to four drives installed in a system? |
PATA (parallel ATA), also called EIDE (enhanced integrated drive electronics) or IDE |
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17. How many pins does the P1 connector have that uses the ATX Version 2.2 |
24 |
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18. What device might require extra power so that it uses the 12V 6-pin power |
A PCI Express video card. The connector might be located on the video card or on the |
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19. What is the purpose of the 4-pin auxiliary connector on a motherboard? |
To provide extra voltage or power for a processor |
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20. What is the purpose of the 4-pin Molex connector? |
To power IDE (PATA) drives |
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Thinking Critically |
Answers: c. Purchase a wireless expansion card and install it in your system, and d. Purchase a |
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2. How much power is consumed by a load drawing 5 A with 120 V across it? |
600 watts |
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3. When working on a computer, which of the following best protects against ESD? |
Answer: b. Always wear a ground bracelet clipped to the side of the case |
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4. When troubleshooting a computer hardware problem, which tool might help with |
Answers: a. Loopback plug, b. POST diagnostic card, c. Multimeter |
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Chapter 2 Review questions 1. When taking a computer apart, why is it important to not stack boards on top of |
You could accidentally dislodge a chip. |
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2. Why is it important to remove loose jewelry before working inside a computer |
Because the jewelry might get caught in cables and components as you work. |
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3. When assembling a system, which do you install first, the drives or the |
Drives |
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4. What is the purpose of raised screw holes or standoffs installed between the |
To prevent a short that might happen if lines on the bottom of the motherboard touch the |
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5. When installing the front panel wires to the motherboard front panel header, how |
You can find this information in the motherboard user guide. |
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6. What are the two major components of a processor cooler assembly? |
Heat sink and fan |
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7. How many pins does the CPU fan header on a motherboard have? |
4 pins |
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8. If the power connector from the CPU fan has only three pins, it can still connect |
Adjustable speed control of the fan to lessen the noise in the system |
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9. How do you determine the wattage capacity needed by a power supply? |
Add up all wattage requirements for all devices that will use the power supply and then add an |
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10. Which one component in a high-end gaming computer is likely to draw the most |
The video card |
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1. You disassemble and reassemble a computer. When you first turn it on, you see |
answer: d. Power cords to the motherboard are not connected. All the other answers |
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2. How much power is consumed by a load drawing 5 A with 120 V across it? |
600 watts |
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3. What is a reasonable wattage capacity for a power supply to be used with a |
Answer: c. 700 watts |
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chapter 4 reviews questions 1. What are the three most popular form factors used for motherboards? |
ATX, microATX, and Mini-ITX |
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2. Which type of Intel chipsets was the first to support the graphics controller to be |
Sandy Bridge or second generation chipsets |
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How many pins does the Intel Socket B have? What is another name for this |
1366 pins, LGA1366 |
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4. What type of memory does the LGA1155 socket work with? Which socket was it |
DDR3 memory, LGA1156 |
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5. Does the Sandy Bridge chipset family use two chipset housings on the |
A single chipset housing, two chipset housings |
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6. How many pins does the AMD socket AM2 have? |
940 pins |
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7. Which socket by AMD uses a land grid array rather than a pin grid array? |
Socket F |
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8. Which is a better performing Intel chipset, the X58 or the H67? |
H67 |
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9. Which part of a Nehalem chipset connects directly to the processor, the North |
The North Bridge |
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10. What are the names of the two technologies used to install multiple video cards in |
SLI and CrossFire |
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11. What are the two different voltages that a PCI slot can provide? |
5 volts and 3.3 volts |
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12. How does the throughput of PCI Express Version 1.1 compare to PCIe Version 1? |
PCIe Version 1.1 and PCIe Version 1 have the same throughput. PCIe Version 2 doubles |
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13. What is the maximum wattage that a PCIe Version 2.0 expansion card can draw? |
300 watts |
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14. What new type of power connector on the motherboard was introduced with PCIe |
6-pin PCIe connector, 75 watts |
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15. What new type of power connector was introduced with PCIe Version 2.0? How |
8-pin PCIe connector, 150 watts |
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16. If you are installing an expansion card into a case that does not have enough |
A riser card |
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17. What is the purpose of an AGP slot? |
To hold a video card |
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18. Which is faster, a PCI Express x16 bus or the latest AGP bus? |
PCI Express x16 is about 4 times faster than the latest AGP bus |
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19. Which chip on the motherboard does Windows Bitlocker Encryption use to secure |
TPM chip |
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20. How can you find out how many memory slots are populated on a motherboard |
View the information on a BIOS setup screen |
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21. What are two reasons you might decide to flash BIOS? |
To add new features made available by the BIOS manufacturer or to attempt to solve |
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22. What is the easiest way to obtain the latest software to upgrade BIOS? |
Go to the Web site of the BIOS or motherboard manufacturer. |
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23. What can you do if the power-on password and the supervisor password to a |
Use the jumpers on the motherboard to reset the passwords |
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24. Where is the boot priority order for devices kept? |
In CMOS RAM |
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26. Describe how you can access the BIOS setup program. |
By pressing certain keys (depending on the specific computer and BIOS program) during |
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27. If a USB port on the motherboard is failing, what is one task you can do that |
Go to the motherboard manufacturer web site, download and install updated drivers. |
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28. What might the purpose be for a SATA-style power connector on a motherboard? |
To provide auxiliary power to PCIe cards |
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29. What is the purpose of installing standoffs or spacers between the motherboard |
So that components on the back of the motherboard do not touch the case and cause a |
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30. When installing a motherboard, suppose you forget to connect the wires from the |
No, because the power button will not work until the power wire is connected to the |
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Thinking Critically 1. Why does a motherboard sometimes support more than one system bus speed? |
So that it can support different processors running at different speeds |
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2. Why don’t all buses on a motherboard operate at the same speed? |
Because not all devices to which the buses are connected transmit data at the same speed. |
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3. When you turn off the power to a computer at night, it loses the date, and you |
The CMOS battery is dead and needs replacing. |
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4. Why do you think the trend is to store configuration information on a |
Possible answers: |
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5. Why do you think the trend is to put more control such as the graphics controller |
Possible answer: Because the processor is faster than the chipset |
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6. When troubleshooting a motherboard, you discover the network port no longer |
All the above solutions might be possible. The least expensive and simplest solution is e. |
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7. A computer freezes at odd times. At first you suspect the power supply or |
Try the simple and least expensive things first: Flash BIOS |
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chapter 5 reviews questions 1. Who are the two major manufacturers of processors? |
Intel, AMD |
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2. What is the name of the memory cache that is on the same die as the processor? |
L1 cache |
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3. What is the name of the memory cache that is closest to the processor die but is |
L2 cache |
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4. What is the name of the Intel technology that allows a processor to handle two |
Hyper-Threading |
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5. How many threads can a quad-core processor handle at once? |
Eight |
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6. Which Intel processor socket uses a screw head to hold down the socket load |
Socket LGA1155 |
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7. Which is faster, SRAM or DRAM? Why? |
SRAM, because it does not need to be refreshed |
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8. How many pins are on a DDR3 DIMM? DDR2 DIMM? |
For DDR3 DIMM, 240 pins. For DDR2 DIMM, 240 pins. |
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9. How many pins are on a DDR DIMM? SDRAM DIMM? |
For DDR DIMM, 184 pins. For SDRAM DIMM, 168 pins. |
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10. How many notches does a DDR3 DIMM have? |
One |
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11. What was the first type of DIMM that ran synchronized with the system clock? |
SDRAM DIMM |
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12. What major improvement did DDR make over regular SDRAM? |
Data is processed twice in one clock beat, doubling the speed of regular SDRAM |
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13. Which DIMM performs better, a double-sided dual-ranked DIMM or a double-sided |
A double-sided single-ranked DIMM |
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14. What prevents a DDR DIMM from being installed in a DDR2 DIMM slot on a |
The position of the one notch on the DIMM module |
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15. Which module, a DDR3 or DDR2 DIMM, uses lower voltage? |
DDR3 DIMM |
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16. In a memory ad for DIMMs, you notice 64Meg ×72 for one DIMM and 64Meg ×64 for |
The first DIMM supports ECC technology for error checking |
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17. A DIMM that contains memory chips in two memory banks on the module is said to be |
Dual ranked |
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18. What type of DIMM supports triple channeling? |
DDR3 DIMM |
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19. If two bits of a byte are in error when the byte is read from ECC memory, can ECC detect |
Yes, No |
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20. How many notches are on an SDRAM DIMM? |
Two |
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21. Looking at an SDRAM DIMM, how can you know for certain the voltage needed by the |
Look at the notch on the right side of the module. |
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22. A DIMM memory ad displays 5-5-5-15. What is the CAS Latency value of this DIMM? |
CL5 |
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23. What is the most amount of RAM that can be used by a 32-bit installation of Windows 7 |
4 GB |
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24. A motherboard uses dual channeling, but you have four DIMMs available that differ in |
Yes, the DIMMs will work on the board, but dual channeling will not be enabled. |
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25. You need to upgrade memory on a motherboard that uses RIMMs. You notice one |
The C-RIMM module |
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26. What 2 types of memory can be used on a 100-MHz motherboard? |
SDRAM and DDR SDRAM |
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27. Which is faster, CL3 memory or CL5 memory? |
CL3 is faster than CL5 memory |
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28. You are looking to purchase two DIMMs running at 400 MHz. You find DIMMs |
PC3200 |
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29. You need to find out how much RAM is installed in a system. What command do you |
Msinfo32.exe |
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30. Although ECC memory costs more than non-ECC memory, why would you choose to |
ECC memory is more reliable than non-ECC memory. A server. |
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Thinking Critically |
The three yellow slots probably indicate triple channeling, which means the board uses DDR3 |
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2. If your motherboard supports DIMM memory, will RIMM memory still work on the |
No, you can only use the type of memory module the board is designed to support. |
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3. If your motherboard supports ECC SDRAM memory, can you substitute non-ECC |
You can substitute non-ECC memory on an ECC board, and the error-checking feature will be |
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4. You have just upgraded memory on a computer from 1 GB to 2 GB by adding one |
The new DIMM is not properly seated. Turn off the PC and reseat the DIMM. Check that the |
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5. Your motherboard supports dual channeling and you currently have two slots used in |
The system will run faster if you install two DIMMs because dual channeling can be used if both |
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chapter 6 reviews 1. What are the two types of technologies used inside hard drives? |
Solid state drives and magnetic drives |
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2. What are four speeds in revolutions per minute that the spindle inside a hard drive |
5400, 7200, 10,000, and 15, 000 RPM |
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3. What is the name of the Windows technology that supports a memory buffer in a |
ReadyDrive |
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4. When the OS addresses the sectors on a hard drive as one long list of sequential |
Logical block addressing (LBA) |
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5. A CD drive that uses a PATA connection must follow what standard? |
ATAPI |
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6. How many pins does an 80-conductor IDE cable have? What is the maximum |
40 pins, 18 inches |
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7. What is the transfer speed of an IDE interface using the ATA-7 standard? |
133 MB/sec |
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8. What is the transfer speed for SATA I? SATA II? SATA III? |
1.5 Gb/sec, 3 Gb/sec, 6 Gb/sec |
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9. How many pins does a SATA data cable have? How many pins does a SATA |
7 pins, 15 pins |
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10. What term describes the technology that allows you to exchange a hard drive |
Hot swapping or hot plugging |
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11. What are the four possible configurations for a PATA drive installed in a system? |
Primary IDE channel, master device |
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12. Which SCSI ID is assigned to the SCSI host adapter? |
SCSI ID 7 |
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13. Which two SCSI connectors might be used with narrow SCSI? |
The 50-pin SCSI connector and the 25-pin SCSI connector |
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14. Which version of SCSI is known as Fast SCSI? Which version is known as Ultra |
SCSI-2, SCSI-3 |
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15. Which RAID level mirrors one hard drive with a second drive so that the same |
RAID 1 |
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16. Which RAID level stripes data across multiple drives to improve performance and |
RAID 5 |
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17. How many hard drives does it take to implement RAID 10? |
Four |
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18. How many pins does a floppy drive cable have? What is the storage capacity of a |
34 pins, 1.44MB |
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19. If a motherboard has one blue IDE connector and one black IDE connection, |
The blue connection |
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20. When implementing RAID on a motherboard, where do you enable the feature? |
In BIOS setup |
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Thinking Critically |
Answer: c. Verify that BIOS autodetection is enabled. |
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2. You want to install a SSD drive in your desktop computer, but the drive is far too |
Answer: b. Buy a bay adapter that will allow you to install the narrow drive in a desktop |
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3. Mark each statement as true or false: |
Answers: a. True, b. False, c. False, d. False, e. False, f. True |
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chapter 8 reviews questions
1. What command can you enter in the Search box to launch Device Manager? |
Devmgmt.msc |
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2. Which is faster, an eSATA-600 port or a FireWire 800 port? |
eSATA-600 |
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3. What is the speed for Hi-Speed USB? |
480 Mbps |
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4. How many times faster is a Hi-Speed USB port than an Original USB port |
40 times faster |
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5. Which is faster, USB 3.0 or eSATA 600? |
eSATA 600 |
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6. Which is faster, Wi-Fi 802.11n or Bluetooth? |
Wi-Fi 802.11n |
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7. How many pins does a FireWire 800 port have? |
9 pins |
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8. What type of wireless transmission requires a line-of-sight clearance? |
Infrared |
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9. Will a printer rated to use USB 3.0 work when you connect the printer’s USB |
Yes, but at the USB 2.0 speed. |
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10. What is the easiest way to tell if a USB port on a notebook computer is using the |
Check the color of the port, which is blue. |
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11. For an LCD monitor, what is the best resolution to use? |
The native resolution |
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12. Which gives a better measurement for the quality of an LCD monitor, the contrast |
The contrast ratio |
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13. Which type port gives the best output, a composite out port or an S-Video port? |
An S-Video port |
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14. What command do you use to find out what version of DirectX your video card is |
Dxdiag.exe |
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15. Name two types of ports a keyboard might use. |
PS/2, USB |
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16. Which Windows utility is most likely the one to use when uninstalling an |
Device Manager |
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17. Would you expect all the devices listed in BIOS setup to also be listed in Device |
Yes, no |
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18. Why is it best to leave a slot empty between two expansion cards? |
To improve air flow |
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19. Which speaker port should you use when connecting a single speaker to a PC? |
The lime green audio port |
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20. What type of adapter card allows you to watch TV using your computer? |
TV tuner card |
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21. What type of file system is used by Blu-ray discs? |
UDF |
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22. What type of file system is used by SDXC memory cards? |
exFAT |
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23. What two types of interfaces might be used by an internal DVD drive? |
SATA or IDE (PATA) |
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24. How much data can a CD hold? |
700 MB |
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25. How much data can a double-sided, dual-layer DVD hold? |
Advertised as 17 GB but actually 15.90 GB |
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26. How much data can a double-sided, single-layer BD hold? |
25 GB |
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27. Which costs more, a CD-R or a CD-RW disc? |
CD-RW |
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28. Which type of flash memory card is currently the smallest type of card? |
MicroSD, also the same size as MicroSDHC and MicroSDXC |
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29. What are the group of standards that represent music in digital form? |
midi |
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30. Why might a musical keyboard have two MIDI ports? |
One MIDI port for output and one MIDI port for input |
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Thinking Critically |
Answer: b. Install a USB keyboard on a USB port. |
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2. You plug a new scanner into a USB port on your Windows 7 system. When you first |
Answer: b. You see the Found New Hardware Wizard launch. |
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3. You turn on your Windows 7 computer and see the system display POST messages. |
Answer: c. Windows |
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4. You have just installed a new sound card and its drivers and connected the speakers |
Do the simple thing first: a. Check the volume controls on the speaker amplifier. |
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5. You have just installed a new sound card in your system, and Windows says the card |
Answer: e. Verify the volume is turned up in Windows and on the speakers. |
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6. You have just installed a new DVD drive and its drivers under Windows 7. The drive |
Answer: d. Open Device Manager and uninstall the drive. |
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Chapter 9 |
PC support technician, PC service technician, technical retail associate, bench technician, |
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2. Of the five jobs in Question 1, which one job might never include interacting with |
Bench technician (depot technician) |
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3. Assume that you are a customer who wants to have a PC repaired. List five main |
Answers may vary. Possible answers: Positive and helpful attitude, own the problem, be |
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4. What is one thing you should do when you receive a phone call requesting on-site |
Ask questions to identify the problem and ask the caller to check and try some simple |
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5. You make an appointment to do an on-site repair, but you are detained and find |
Call the customer and explain the situation. Agree on a new time of arrival. |
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6. When you arrive for an on-site service call, how important is your greeting? What |
The first impression is very important as it sets the tone for the entire visit. |
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7. When making an on-site service call, what should you do before making any |
Ask the user to describe the problem in detail. Then ask permission to service the |
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8. What should you do after finishing your PC repair? |
Verify everything is working. Then ask the customer to do the same. Fill out the |
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9. What is a good strategy to follow if a conflict arises between you and your |
Stay professional. Allow the customer to vent. Listen carefully. Do what you can to solve |
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10. If you are about to make an on-site service call to a large financial organization, is |
No, you are expected to dress professionally and appropriately for the environment. |
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11. You have exhausted your knowledge of a problem and it still is not solved. Before |
Ask a knowledgeable coworker for help. |
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12. If you need to make a phone call while on a customer’s site and your cell phone is |
Ask permission to use the phone. |
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13. When someone calls your help desk, what is the first thing you should do? |
Identify the person and determine they are entitled to receive your help. |
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14. What is one thing you can do to help a caller who needs phone support and is not |
Allow the customer to ask questions. |
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15. Describe what you should do when a customer complains to you about a product |
Allow the customer to speak without your getting defensive. |
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16. What are some things you can do to make your work at a help desk easier? |
Use a telephone headset. Have all available resources handy. Keep notes as you work. |
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17. When applying for a position as a help desk technician you discover the job |
Possible answer: To find out how well you handle yourself on the telephone. |
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18. What is the primary importance of a chain of custody document? |
Answer: To assure that evidence of a possible crime will be properly admitted into a court of law. |
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19. In a Home Theater PC, what is the purpose of an HDMI output port? |
Answer: To output video/audio to television. |
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20. In a Home Theater PC, why might you need an HDMI input port? Which type of |
Answer: To connect the HTPC to a TV cable box. A video capture card might provide an HDMI |
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21. Which system requires the best graphics card, a CAD workstation or a |
Answer: A CAD workstation. |
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22. Which is generally a better GPU, one in the NVIDIA Quadro family or one in the |
Answer: The NVIDIA Quadro family of GPUs. |
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23. Which socket does Intel recommend you use with liquid cooling? |
Answer: Socket LGA2011 |
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24. How many speakers or sound channels does surround sound version 5.1 use? |
Answer: Up to six channels and speakers. |
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25. Why is it important that a virtualization workstation have a lot of RAM? |
Answer: Because each VM might tie up its full amount of RAM when the VM is running. |
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Thinking Critically |
c. Ask the customer’s advice about the size and speed of the new drive to install. |
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2. You have repaired a broken LCD panel in a notebook computer. However, when |
First b, then c. |
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Chapter 15 |
48 bits |
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2. How many bits are in an IPv4 IP address? In an IPv6 IP address? |
32 bits, 128 bits |
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3. How does a client application identify a server application on another computer on the |
By a port number |
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4. What are IP addresses called that begin with 10, 172.16, or 192.168? |
Private IP addresses |
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5. In what class is the IP address 185.75.255.10? |
Class B |
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6. In what class is the IP address 193.200.30.5? |
Class C |
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7. Describe the difference between public and private IP addresses. If a network is using |
Public IP addresses are licensed and authorized to use the Internet. Private IP |
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8. Why is it unlikely that you will fi nd the IP address 192.168.250.10 on the Internet? |
IP addresses that begin with 192.168 are private IP addresses. |
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9. In Figure 15-9, the subnet mask is four notches tall and is considered a classless subnet |
A classful subnet mask for this network would be two notches tall because the first two |
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10. If no DHCP server is available when a computer confi gured for dynamic IP |
Automatic private IP address (APIPA) |
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11. If a computer is found to have an IP address of 169.254.1.1, what can you assume |
The IP address was automatically assigned by Windows when it failed to lease an |
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12. What are the last 64 bits of a IPv6 IP address called? How are these bits used? |
The Interface ID which is used to uniquely identify the network connection on the |
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13. Name at least three tunneling protocols that are used for IPv6 packets to travel over |
ISATP, Teredo, and 6TO4 |
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14. How is an IPv6 IP address used that begins with 2000::? That begins with FE80::? |
IP addresses that begin with 2000:: are global addresses used on the Internet. |
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15. How many bits are in the Subnet ID block? What are the values of these bits for a |
The Subnet ID block contains 16 bits. The value of these bits for a link-local address |
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16. Which type of IPv6 address is used to create multiple sites within a large |
Unique local addresses |
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17. What type of server serves up IP addresses to computers on a network? |
DHCP server |
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18. Which TCP/IP protocol that manages packet delivery guarantees that delivery? |
TCP, UDP |
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19. At what port does an SMTP email server listen to receive email from a client |
Port 25 |
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20. Which protocol does a web server use when transmissions are encrypted for |
HTTPS uses either HTTP together with SSL or TLS encryption protocols |
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21. What type of server resolves fully qualifi ed domain names to IP addresses? |
DNS server |
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22. Which email protocol allows a client application to manage email stored on an email |
IMAP |
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23. What type of protocol is used to present a public IP address to computers outside the |
NAT |
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24. Which protocol is used when an application queries a database on a corporate |
LDAP |
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25. What type of encryption protocol does Secure FTP (SFTP) use to secure FTP |
SSH |
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26. What two Windows applications use the RDP protocol and port 3389? |
Remote Desktop and Remote Assistance |
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27. Which version of 802.11 technologies can use two antennas at both the access point |
802.11n |
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28. Which wireless encryption standard is stronger, WEP or WPA? |
WPA |
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29. When securing a Wi-Fi wireless network, which is considered better security: to fi |
To use encryption |
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30. Would you expect WPS to be used when a wireless network is using strong security, |
Strong security |
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Thinking Critically |
Answer: c. Are the lights on the adapter functioning correctly? |
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2. Your boss asks you to transmit a small fi le that includes sensitive personnel data to a |
Answer: a. Because Telnet transmissions are not encrypted |
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3. Your job is to support the desktop computers in a small company of 32 employees. A |
Answer: Make this entry in the Hosts file on each computer: |
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Chapter 16 |
A star bus topology or a hybrid topology |
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2. Place the following networking technologies in the order of their highest speed, |
Dial-up networking, 3G, cable Internet, WiMAX, Fast Ethernet |
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3. What is the difference between ADSL and SDSL? |
ADSL uses one upload speed from the consumer to an ISP and a faster download speed. |
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4. Among satellite, cable Internet, and DSL, which technology experiences more |
Satellite |
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5. When using DSL to connect to the Internet, the data transmission shares the |
Regular telephone |
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6. When using cable Internet, the data transmission shares the cabling with what |
Television |
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7. What is the name of the port used by an Ethernet cable? What is the name of the |
RJ-45, RJ-11 |
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8. If you want to upgrade your 100BaseT Ethernet network so that it will run about |
Gigabit Ethernet or 1000BaseT |
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9. What is the maximum length of a cable on a 100BaseT network? |
100 meters or 328 feet |
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10. What does the 100 in the name 100BaseT indicate? |
The transmission speed of the network, which is 100 Mbps. |
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11. Which type of networking cable is more reliable, STP or UTP? Which is used on |
STP is more reliable, UTP is used on LANs |
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12. Which is more expensive, UTP CAT5e cabling or STP CAT5e cabling? |
STP CAT5e is more expensive because it is shielded |
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13. When looking at a network cable that is not labeled, describe how you can tell if |
Carefully examine the colors of the wires that you can see through the clear plastic RJ45 |
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14. What technology is used when power is transmitted on a network cable? |
Power over Ethernet (PoE) |
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15. Describe the difference between a hub and a switch. |
A hub is a pass-through device that transmits all frames to all devices it is connected to |
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16. How is a wireless access point that is also a bridge more efficient in handling |
Because the bridge limits the amount of traffic between the two network segments. It |
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17. What type of cable uses an F connector? |
TV coax cable |
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18. Why does a CAT6 cable have a plastic core? Which two types of cabling is |
To keep the pairs of twisted wires separated which reduces crosstalk. CAT-5e and CAT6 |
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19. How many wires does a CAT5 cable have? A CAT5e cable? A coaxial cable? |
Eight, eight, one |
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20. Which tool can you use to verify that a network port on a computer is good? |
Loopback plug |
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21. After making a straight-through cable, which tool can you use to certify the cable? |
Cable tester |
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22. Which tool can help you find a network cable in the walls of a building? |
Toner probe |
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23. Which tool is used to firmly attach a RJ45 connector to a network cable? |
Crimper |
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24. Which tool can help you find out which wall jack connects to which port on a |
Loopback plug |
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25. Name two places where you might find a keystone RJ45 jack in a building. |
In a patch panel in the network closet and in a RJ45 wall jack |
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26. List the number assigned each pair and the color of each pair used in twisted-pair |
Pair 1 is blue; pair 2 is orange; pair 3 is green, and pair 4 is brown. |
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27. What two standards are used to wire networking cables? |
T568A and T568B |
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28. Of the two standards in Question 26, which standard is the most common? Which |
T568B, T568A |
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29. Using either of the two wiring standards, what are the colors of the two pairs used |
Green and orange |
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30. How many pairs of wires are crossed in a crossover cable that will work on a |
Two pair, four pair |
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31. To prevent crosstalk in a keystone RJ45 jack, what is the minimum length of wire |
½ inch |
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Thinking Critically |
Answer: |
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2. If a Gigabit Ethernet NIC is having a problem communicating with a 100BaseT |
Go to Device Manager and open the properties box for the NIC. Click the Link Speed tab |
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3. You connect a computer to an RJ-45 wall jack using a straight-through cable. When |
Answer: e, a, c, d, f, and b: |
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Chapter 19 |
Notebooks use compact hard drives that can withstand movement even during operation, and |
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2. Why is the service manual so important to have when you disassemble a notebook? |
The service manual for the notebook model explains how to open the case and remove |
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3. Why is it important to reinstall the OS on a notebook from the recovery media rather than |
Because the recovery media contains the OS build and device drivers specific to the notebook |
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4. Which has more features, a port replicator or a docking station? |
Docking station |
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5. What type of bus is used by ExpressCard slots? |
PCI Express |
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6. Can you use an ExpressCard card in a CardBus slot? In a PC Card slot? |
No, no |
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7. What prevents a CardBus card from being inserted in a 16-bit PC Card slot? |
A bumpy strip on the end of the card |
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8. What type of technology is used by battery packs for notebooks? |
Lithium Ion |
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9. To what ACPI mode does Windows 7 sleep mode correspond? Windows 7 hibernation? |
S3 mode, S4 mode |
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10. Which port do you use to connect a docking station to a notebook? |
Docking port |
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11. Why is it not necessary to set up two hardware profiles in Windows 7 for a notebook to |
Because Windows 7 automatically senses when a docking station is present |
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12. How many pins does a DDR3 SO-DIMM have? A DDR2 SO-DIMM? |
204 pins, 200 pins |
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13. When a notebook internal device fails, what three options can you use to deal with the |
Return the notebook to a service center for repair |
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14. How many pins does a notebook IDE connector have? A desktop IDE connector? |
44 pins, 40 pins |
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15. When an LCD panel is very dim and brightness adjustments don’t help, what component |
The video inverter |
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16. After you have removed the AC adapter and all peripherals, what is the next component |
The battery pack |
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17. How many pins does a Mini PCIe card have? |
52 pins |
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18. What three wireless technologies might be provided by a Mini PCIe card? |
Wi-Fi wireless, cellular WAN, and Bluetooth |
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19. Which mobile processor socket is currently the most popular by Intel? By AMD? |
FCPGA988 socket, S1 socket |
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20. What is one cause of a ghost cursor on an LCD screen? |
Bad video drivers. Try updating the video drivers |
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Thinking Critically |
The problem is that he has not installed Windows 7 drivers for the on-board port. It is unlikely |
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2. A friend asks you for help in determining the best product to buy: a notebook, tablet PC, or |
Answers may vary. Possible answers: |
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3. What type of computer is likely to use SO-DIMMs, have an internal power supply, and use a |
Answer: An all-in-one computer |
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Chapter 21 |
GDI and XPS. XPS was introduced in Windows Vista. |
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2. Which two printing languages are used to send a print job to a printer and the |
PostScript and PCL |
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3. List the seven steps used by a laser printer to print a page. |
1. Processing. The print job is rendered and a bitmap of the page is created. |
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4. Which document exhibits better quality, one printed with 600 dpi or one printed |
1200 dpi. The more dots per inch, the more detail you can print and the finer the |
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5. During the laser printing process, what determines when the toner sticks to the |
During the writing phase, the uniform high charge is discharged only in the places where |
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6. What type printer is most dependent on the quality paper it uses to get the best |
Inkjet printer |
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7. What should you do if an inkjet printer prints with missing dots or lines on the |
Clean the inkjet nozzles (manually for older inkjet printers or automatically for newer |
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8. What can you do to help a dot-matrix printer last longer? |
Keep the print head cool |
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9. What feature on a printer must be enabled so that a printer can automatically print |
Duplex printing |
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10. What two Windows XP components are used to share resources on a network and |
Client for Microsoft Networks and File and Printer Sharing |
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11. Using Windows 7, how do you share a local printer with others on the network? |
In the Devices and Printers window, right-click the printer you want to share and select |
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12. What is likely to be the problem when a laser printer consistently produces pages |
The image drum is worn out and needs replacing |
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13. What kind of printer is assigned an IP address? |
A network printer |
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14. What two tools can you use to remove loose toner from inside a printer? |
A toner vacuum and an extension magnet brush |
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15. Where is the best place to look for a firmware upgrade for a printer?15. Where is the best place to look for a firmware upgrade for a printer? |
The printer manufacturer’s web site |
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16. How can you prove a printer problem is not with the printer itself, but lies with |
Print a self-test page using printer controls |
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17. When you get a toner-low message, what can you do to extend the life of the |
Gently shake the toner cartridge to redistribute the toner |
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18. What causes a ghosted image on a printout? |
The drum is not fully cleaned |
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19. What is likely the problem when a portion of a complicated page does not print? |
The printer does not have enough memory |
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20. What can you do to verify a printing problem is with an application or a document |
Print a Windows test page |
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Thinking Critically |
Answer: The printer is installed as a shared printer and not a network printer. The sources |
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2. You are not able to print a test page from your Windows 7 computer to your USB |
Possible answers: b, c, and d |